CVE-2023-46118

Denial of Service by publishing large messages over the HTTP API

Description

RabbitMQ is a multi-protocol messaging and streaming broker. HTTP API did not enforce an HTTP request body limit, making it vulnerable for denial of service (DoS) attacks with very large messages. An authenticated user with sufficient credentials can publish a very large messages over the HTTP API and cause target node to be terminated by an "out-of-memory killer"-like mechanism. This vulnerability has been patched in versions 3.11.24 and 3.12.7.

Category

4.9
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.26%
Vendor Advisory github.com
Affected: rabbitmq rabbitmq-server
Published at:
Updated at:

References

Link Tags
https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-w6cq-9cf4-gqpg vendor advisory
https://www.debian.org/security/2023/dsa-5571
https://lists.debian.org/debian-lts-announce/2023/12/msg00009.html

Frequently Asked Questions

What is the severity of CVE-2023-46118?
CVE-2023-46118 has been scored as a medium severity vulnerability.
How to fix CVE-2023-46118?
To fix CVE-2023-46118, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-46118 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-46118 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-46118?
CVE-2023-46118 affects rabbitmq rabbitmq-server.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.